diff --git a/README.md b/README.md
index 48bb1ba..9b043d1 100644
--- a/README.md
+++ b/README.md
@@ -8,9 +8,13 @@
A topic that can easily make anyone's mind wobble. Here I try to make them stick
in to your mind (and maybe mine) by explaining them in the simplest way
possible.
-
-Based on
-"Design Patterns for Humans"
+
+This work, "C++ Design Patterns for Humans, is a derivative of + +"Design Patterns for Humans" by +"kamranahmedse", used under +"CC BY 4.0".
***